813047032 has 32 divisors (see below), whose sum is σ = 1844730720. Its totient is φ = 327951360.

The previous prime is 813047017. The next prime is 813047051. The reversal of 813047032 is 230740318.

813047032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×813047032² = 1322090952488018048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426069 + ... + 427972.

It is an arithmetic number, because the mean of its divisors is an integer number (57647835).

Almost surely, 2^813047032 is an apocalyptic number.

It is an amenable number.

813047032 is an abundant number, since it is smaller than the sum of its proper divisors (1031683688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813047032 is a wasteful number, since it uses less digits than its factorization.

813047032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854071 (or 854067 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 813047032 is about 28513.9795889665. The cubic root of 813047032 is about 933.3371579208.

The spelling of 813047032 in words is "eight hundred thirteen million, forty-seven thousand, thirty-two".